CVE-2021-45078 Memory corruption in n/a
A heap-based buffer overflow in GNU Binutils allows attackers to cause denial of service or potentially execute arbitrary code via crafted files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-45078?
CVE-2021-45078 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 15 Dec 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
stab_xcoff_builtin_type in stabs.c in GNU Binutils through 2.37 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact, as demonstrated by an out-of-bounds write. NOTE: this issue exists because of an incorrect fix for CVE-2018-12699.
Weakness: CWE-787
Which versions are affected by CVE-2021-45078?
It affects 5 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Gnu Binutils, Netapp Ontap Select Deploy Administration Utility, Redhat Enterprise Linux.
How do I fix CVE-2021-45078?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-45078 being exploited?
There is no known exploitation of CVE-2021-45078 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-7032, CLSA-2022-1646084759, CLSA-2022-1646085735, CLSA-2023-1688677908, DEBIAN-CVE-2021-45078, GHSA-wg2c-jc4j-gg9c and 3 more.